<form method='post' action='/upload' enctype='multipart/form-data' >
    <input type="file" name='file1'/><br>
    <input type="file" name='file2'/><br>
    <input type="file" name='file3'/><br>
    <input type="file" name='file4'/><br>
    <input type="file" name='file5'/><br>
    <input type="submit" />
</form>